The probability that he will call A is 1 out of 2 because A and B have the same percent of Hazard. The probability that he will call C is 0/3 because it is more hazardous than the rest.
It's C because 1-.15 is .85 then 1/.85 rounds to 1.18
Other variable costs per unit subtracted from total COGS per unit equals contribution margin per unit.
Variable costs are expenses that vary in relation to production output or sales.
Variable costs play an important role in determining a product's contribution margin, which is used to calculate a company's break-even or target profit level.
Variable costs are a direct input in the calculation of contribution margin, which is the number of proceeds collected after deducting variable costs from sale proceeds.
Every dollar of contribution margin goes directly toward covering fixed costs; once all fixed costs are covered, every dollar of contribution margin goes toward profit.
As a result, variable costs are a necessary item for businesses attempting to determine their break-even point.
Hence, contribution margin per unit is the answer.
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